Process for the preparation of substituted amidines

Details Process for the preparation of substituted amidines Process for the preparation of substituted amidines

1981-10-15

1984-05-15

Coughlan, Jr., Paul M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548247, 548244, 548246, 548225, 546223, 546244, 564244, 564245, 260239A, 260239B, 2605431, C07D20700, C07C 8100

Patent

active

044489757

ABSTRACT:
Amidines are one of the strongest organic bases and find application where this property is needed, such as in phase transfer catalysis in the form of their substituted derivatives. Their use, however, has been hampered by their expensive nature due to only mediocre yields in their preparation. The present invention provides a process for the preparation of substituted amidines in essentially quantitative yields.

REFERENCES:
patent: 4353830 (1982-10-01), Mark
Ellingsfield Angew. Chem. 72, pp. 836-845, (1900).
Bredereck et al., Beridite, 92, pp. 837-841, 1959.

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